SECTION 1: Product Identification
Chemical Name: Silver chromate, 99%
Product Number: 93-4745
CAS Registry Number: 7784-01-2
Formula: Ag2CrO4
EINECS Number: 232-043-8
Chemical Family: chromate and dichromate salts
Synonym: Chromic acid, disilver(1+) salt
SECTION 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 7784-01-2 100 0.001mg/m3 (Cr VI) 0.1mg/m3 (Cr VI)
SECTION 3: Hazards Identification
Emergency Overview: Irritating to respiratory tract, skin and eyes. May cause heritable genetic damage and cancer.
Primary Routes of Exposure: Ingestion , inhalation, skin, and eyes.
Eye Contact: Causes moderate to severe irritation to the eyes.
Skin Contact: Causes irritation to skin. Symptoms include redness, itching, and pain.
Inhalation: Causes inflammation and ulceration of the respiratory tract.
Ingestion: Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, shock, and convulsions.
Acute Health Effects: Irritating to skin, eyes, and respiratory system and when ingested.
Chronic Health Effects: Long term exposure to silver salts can lead to argyria-a general gray pigmentation of the skin and mucous membranes. May cause heritable genetic damage, cancer, dermatitis, ulceration of the respiratory tract, acute hepatitis, kidney, liver damage, and conjunctivitis.
NTP: yes
IARC: yes
OSHA: No
SECTION 4: First Aid Measures
Eye Exposure: Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention.
Skin Exposure: Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists.
Inhalation: Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Ingestion: Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point: not applicable
Autoignition Temperature: none
Explosion Limits: none
Extinguishing Medium: extinguishers.
Special Fire Fighting Procedures: If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self- contained breathing apparatus and full protective clothing.
Hazardous Combustion and Decomposion Products: If involved in a fire this material may emit toxic and corrosive fumes.
Unusual Fire or Explosion Hazards: Oxidizer. Fire or explosion hazard by chemical reaction with combustibles.
SECTION 6: Accidental Release Measures
Spill and Leak Procedures: To avoid raising dust, small spills may be mixed with diatomaceous earth, sand, vermiculite, or other suitable non combustible material and swept up.
SECTION 7: Handling and Storage
Handling and Storage: Store in a cool, dry place in a tightly sealed container.
SECTION 8: Exposure Controls and Personal Protection
Eye Protection: Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection: Wear protective clothing and gloves
Ventilation: Material may form a fine dust. If possible, handle the material in an efficient fume hood.
Respirator: If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: brown xtl.
Molecular Weight: 331.73
Melting Point: no data
Boiling Point: no data
Vapor Pressure: not applicable
Specific Gravity: 5.625
Odor: none
Solubility in Water:
SECTION 10: Stability and Reactivity
Stability: air and moisture stable
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: contact with reducing agents or organic matter.
Incompatibility: reducing agents, organic matter, active metals, phosphorus and sulfur.
Decomposition Products: chromium oxide and silver salts
SECTION 11: Toxicological Information
RTECS Data: No information available in the RETCS files.
Carcinogenic Effects: Carcinogen (as Cr)
Mutagenic Effects: Mutagen (as Cr)
Tetratogenic Effects: No data
SECTION 12: Ecological Information
Ecological Information: Very toxic to aquatic organisms. May cause long-term adverse effects in the aquatic environment.
SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.
SECTION 14: Transportation
Shipping Name (CFR): Oxidizing solid, N.O.S.
Hazard Class (CFR): 5.1
Additional Hazard Class (CFR): NA
Packaging Group (CFR): II
UN ID Number (CFR): UN# 1479
Shipping Name (IATA): Oxidizing solid, N.O.S.
Hazard Class (IATA): 5.1
Additional Hazard Class (IATA): NA
Packaging Group (IATA): II
UN ID Number (IATA): UN# 1479
SECTION 15: Regulatory Information
TSCA: Listed in the TSCA inventory.
SARA (Title 313): Title compound: See category codes N740 and N090 for reporting.
Second Ingredient: None
Third Ingredient: None
SECTION 16: Other Information
Disclaimer: The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information.
Preparation Date: 1/02/2004
Revision Date: 8/03/2011